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doc-src/Tutorial/Misc/NatSum.ML
author
wenzelm
Thu, 17 Jan 2002 21:03:29 +0100
changeset 12801
a94cef8982cc
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
renamed norm_hhf to norm_hhf_rule; removed slow rewrite_cterm;
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);